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Chd|====================================================================
Chd|  HM_PREREAD_IMPFLUX            source/constraints/thermic/hm_preread_impflux.F
Chd|-- called by -----------
Chd|        LECTUR                        source/starter/lectur.F       
Chd|-- calls ---------------
Chd|        HM_GET_INTV                   source/devtools/hm_reader/hm_get_intv.F
Chd|        HM_OPTION_READ_KEY            source/devtools/hm_reader/hm_option_read_key.F
Chd|        HM_OPTION_START               source/devtools/hm_reader/hm_option_start.F
Chd|        GROUPDEF_MOD                  ../common_source/modules/groupdef_mod.F
Chd|        HM_OPTION_READ_MOD            share/modules1/hm_option_read_mod.F
Chd|        MESSAGE_MOD                   share/message_module/message_mod.F
Chd|        SUBMODEL_MOD                  share/modules1/submodel_mod.F 
Chd|====================================================================
      SUBROUTINE HM_PREREAD_IMPFLUX(IGRSURF,IGRNOD,IGRBRIC,UNITAB,LSUBMODEL)
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE UNITAB_MOD
      USE MESSAGE_MOD
      USE GROUPDEF_MOD
      USE SUBMODEL_MOD
      USE HM_OPTION_READ_MOD
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "scr17_c.inc"
#include      "com04_c.inc"
#include      "thermal_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      TYPE (UNIT_TYPE_),INTENT(IN) ::UNITAB 
      TYPE (GROUP_)  , DIMENSION(NGRNOD)  :: IGRNOD
      TYPE (GROUP_)  , DIMENSION(NGRBRIC) :: IGRBRIC
      TYPE (SURF_)   , DIMENSION(NSURF)   :: IGRSURF
      TYPE(SUBMODEL_DATA),INTENT(IN)::LSUBMODEL(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,J,NLD,IGU,IGS,ISU,ISS,NN,ID,UID,
     .        IFU,ISENS,NCUR,IGBR,IBID
      INTEGER FLAG_FMT,FLAG_FMT_TMP,IFIX_TMP
      CHARACTER TITR*nchartitle
      LOGICAL IS_AVAILABLE
C-----------------------------------------------
C   E x t e r n a l   F u n c t i o n s
C-----------------------------------------------
      INTEGER  NGR2USRN
       my_real
     .  FACX,FACY,H,FAC1,FAC2
C=======================================================================
      IS_AVAILABLE = .FALSE.
C--------------------------------------------------
C START BROWSING MODEL THERMAL FLUX
C--------------------------------------------------
      CALL HM_OPTION_START('/IMPFLUX')
C--------------------------------------------------
C BROWSING /IMPFLUX OPTIONS 1->NIMPFLUX 
C--------------------------------------------------
      DO I=1,NIMPFLUX
        TITR = ''
C--------------------------------------------------
C EXTRACT DATAS OF /IMPFLUX/... LINE
C--------------------------------------------------
        CALL HM_OPTION_READ_KEY(LSUBMODEL)
C--------------------------------------------------
C EXTRACT DATAS (INTEGER VALUES)
C--------------------------------------------------
        CALL HM_GET_INTV('entityid',ISU,IS_AVAILABLE,LSUBMODEL)
        CALL HM_GET_INTV('grbrick_id',IGBR,IS_AVAILABLE,LSUBMODEL)
C--------------------------------------------------
C
        IF (ISU > 0) THEN
          DO J=1,NSURF
            IF (ISU == IGRSURF(J)%ID) THEN
              ISS = J
              NFXFLUX = NFXFLUX + IGRSURF(ISS)%NSEG
              EXIT
            ENDIF                             
          ENDDO 
        ENDIF
        IF (IGBR > 0) THEN
          DO J=1,NGRBRIC
            IF (IGBR == IGRBRIC(J)%ID) THEN
              ISS = J
              NFXFLUX = NFXFLUX + IGRBRIC(ISS)%NENTITY
              EXIT
            ENDIF                             
          ENDDO 
        ENDIF
      ENDDO                                             
C
C---
      RETURN
      END SUBROUTINE HM_PREREAD_IMPFLUX
